释义：常遇小不顺心是好事，若事事顺心，大麻烦可能随后而来。明白此理可减少抱

I write to understand what cannot be understood.

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

数学之美在于它能够揭示现实的隐藏结构。